NHC HURDAT2 · SPC Tornado Database
Hurricanes and Tornadoes That Hit Hyrum, UT
Every tropical system within 75 miles since 1851 and every tornado within 25 miles since 1950.
Data: NOAA NHC HURDAT2 and NOAA SPC tornado and hail reports, through 2025 · Updated
No tropical storm or hurricane has passed within 75 miles of Hyrum, Utah since records began in 1851. Since 1950, 11 tornadoes have touched down within 25 miles, 0 of them rated EF3 or stronger.
- Hurricanes
- 0
- Tropical storms
- 0
- Tornadoes
- 11
- EF3 or stronger
- 0
within 75 mi, since 1851
below hurricane strength
within 25 mi, since 1950
no recorded deaths
What the records show for Hyrum
The highest rating among the 11 tornadoes within 25 miles is F1, reached 4 times; the most recent, on May 29, 1996, came within 24 miles. Of the 11, none had a path within 5 miles of the city centre, and 2 have come since 2000. May has had the most tornadoes, 4. The most recent tornado was on May 3, 2009. Hyrum has more tornadoes within 25 miles than 52% of the 99 Utah cities on this site. Hail has been reported within 10 miles 7 times since 1992, with stones up to 1.25 inches (half dollar size). Of the 99 Utah cities, 62% have more hail reports within 10 miles than Hyrum.
Compare Hyrum's storm record with another city →
Tornadoes within 25 miles of Hyrum
By decade
- 2000s2
- 1990s3
- 1980s5
- 1960s1
| Date | Rating | Distance | Path | Killed / injured |
|---|---|---|---|---|
| May 29, 1996 | F1 | 24 mi | 1.3 mi | 0 / 1 |
| Sep 17, 1989 | F1 | 25 mi | 0.2 mi | 0 / 0 |
| May 29, 1987 | F1 | 24 mi | 0.2 mi | 0 / 0 |
| May 6, 1981 | F1 | 18 mi | 0.5 mi | 0 / 0 |
| May 3, 2009 | EF0 | 18 mi | 1 mi | 0 / 0 |
| Jul 25, 2007 | EF0 | 23 mi | 0.25 mi | 0 / 0 |
| Dec 5, 1995 | F0 | 23 mi | 1.5 mi | 0 / 0 |
| Sep 10, 1991 | F0 | 12 mi | 0.2 mi | 0 / 0 |
| Aug 25, 1987 | F0 | 12 mi | 0.2 mi | 0 / 0 |
| Aug 25, 1987 | F0 | 23 mi | 0.2 mi | 0 / 0 |
| Aug 14, 1968 | F0 | 18 mi | 4.1 mi | 0 / 0 |
The strongest 11 of 11, by rating and then by deaths. Ratings before February 2007 are on the original Fujita scale.
Hail in Hyrum
The Storm Prediction Center has 7 hail reports within 10 miles of Hyrum since 1992, made on 6 separate days. Of these, 5 were 1 inch across or larger, and none reached 2 inches. The largest, 1.25 inches (half dollar size), fell on September 10, 2019. The most recent report is from May 16, 2021.
Source: NOAA Storm Prediction Center severe weather reports, data through 2025.
Weather by month in Hyrum
The nearest NOAA station with 1991–2020 climate normals is Logan 5 SW Exp Farm, UT, 3 miles northwest of Hyrum at 4,488 feet. July is the warmest, with an average high of 88°F and low of 55°F; January is the coolest, at 32°F and 13°F. May is the wettest at 2.2 inches of precipitation on average and July the driest at 0.6 inches; the year adds up to 17.9 inches over 50 days with at least a tenth of an inch. Highs reach 90°F on about 30 days a year, almost all from June to September. Lows fall below freezing on about 175 nights a year. Snowfall averages 51.6 inches a year, most of it in December. That 17.9 inches is more than at 37 of the 58 Utah stations used on this site (64%). Providence, 5 miles north, has its own station (Logan Utah St Univ, UT): 19.0 inches a year, 1.1 more than here, and the same July average high, 88°F.
| Month | High °F | Low °F | Precip. in | Days ≥ 0.1" | Snow in |
|---|---|---|---|---|---|
| Jan | 32 | 13 | 1.9 | 5 | 12.5 |
| Feb | 37 | 16 | 1.5 | 5 | 11.7 |
| Mar | 48 | 27 | 1.9 | 5 | 5.9 |
| Apr | 57 | 34 | 2.0 | 6 | 2.5 |
| May | 67 | 41 | 2.2 | 6 | 0.1 |
| Jun | 78 | 48 | 1.1 | 3 | 0.0 |
| Jul | 88 | 55 | 0.6 | 1 | 0.0 |
| Aug | 86 | 53 | 0.7 | 2 | 0.0 |
| Sep | 76 | 43 | 1.2 | 3 | 0.0 |
| Oct | 62 | 32 | 1.7 | 4 | 1.0 |
| Nov | 46 | 24 | 1.4 | 4 | 4.7 |
| Dec | 33 | 14 | 1.7 | 5 | 13.2 |
| Year | 59 | 33 | 17.9 | 50 | 51.6 |
Averages for 1991–2020 at Logan 5 SW Exp Farm, UT (4,488 ft), from NOAA NCEI U.S. Climate Normals. Normals describe the station; the farther a place is from it, and the bigger the difference in height, the more its weather can differ.
Floods, thunderstorm wind and lightning near Hyrum
Since 1996, the National Weather Service has logged 39 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Hyrum: 27 thunderstorm wind reports, 10 floods and 2 flash floods. None is recorded as killing or injuring anyone; the NWS estimated $5.1 million in property and crop damage. The strongest thunderstorm gust on record here was 79 mph, on May 13, 2026.
February 7, 2017: flood 7 miles from the centre of Hyrum — $4.0 million damage.
NWS: “Significant rainfall and snowmelt caused main stem river flooding along the Bear River, and also overwhelmed drainage systems away from the river across much of Cache County. 5 million worth of damage reported to roads alone.”
May 13, 2011: flood 5 miles from the centre of Hyrum — $500,000 damage.
NWS: “The Blacksmith Fork River experienced flooding again in mid-May, peaking at 1434 cfs on May 16th, well above the flood flow of 934 cfs. Flooding was reported in Logan, Millville, and Hyrum.”
June 15, 2011: flood 7 miles from the centre of Hyrum — $200,000 damage.
Source: NOAA NCEI Storm Events Database, events whose starting point is on record, 1996 to June 30, 2026. Damage is the NWS estimate in the dollars of the year, not insured losses, and NWS notes that some reports are unverified.
Flood insurance claims, disaster declarations and FEMA risk ratings
Cache County, which includes Hyrum, has been named in 7 federal disaster or emergency declarations since 1977, 4 of them major disasters (by incident: 3 floods, 2 biological emergencies, 1 coastal storm, 1 drought). The latest major disaster declaration was Covid-19 Pandemic, on April 4, 2020. FEMA's National Risk Index gives Cache County a Relatively Low rating for natural hazard risk overall; by hazard: Relatively High for lightning; Relatively Low for inland flooding, strong wind and heat waves; Very Low for tornadoes and hail. It models the county's expected loss from all 18 hazards it covers at $38.8 million a year, the 6th highest of 29 Utah counties; of the hazards above, the largest share, $8.8 million (23%), is from inland flooding.
Claims: FEMA, OpenFEMA Dataset FIMA NFIP Redacted Claims – v3, summed over ZIP codes; payments in the dollars of each year, not adjusted for inflation. Declarations: Disaster Declarations Summaries – v2, by county. Retrieved October 25, 2026. This product uses the Federal Emergency Management Agency's OpenFEMA API, but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
Risk ratings: FEMA, National Risk Index county table, December 2025 (v1.20), retrieved October 26, 2026; ratings compare counties nationwide, are meant for planning and are no substitute for a local risk assessment. This product uses the Federal Emergency Management Agency's National Risk Index dataset API or downloadable datasets but is not endorsed by FEMA. The Federal Government or FEMA cannot vouch for the data or analyses derived from these data after the data have been retrieved from the Agency's website(s).
What counts as a pass, the distances and the sources: how this storm history is built.